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Finding the Fourth Proportional to 538,679.50, 808,203.83 and 183,942.63

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Solution

The fourth proportional to 538,679.50, 808,203.83 and 183,942.63 is: 275,976.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,679.50 : 808,203.83 = 183,942.63 : x
  2. Step 2: Convert to fraction form
    538,679.50/808,203.83 = 183,942.63/x
  3. Step 3: Cross multiply
    538,679.50x = 808,203.83 × 183,942.63
  4. Step 4: Simplify right side
    538,679.50x = 148,663,137,146.56
  5. Step 5: Solve for x
    x = 148,663,137,146.56/538,679.50
  6. Step 6: Final answer
    x = 275,976.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.